Does smokeless tobacco cause cancer?

Smokeless tobacco is tobacco that is not burned. It includes chewing tobacco, dip, snuff, and betel quid. At least 28 chemicals in these products have been found to cause cancer, including:

Esophageal cancer

Mouth cancer

Pancreatic cancer

Betel quid is a combination of betel leaf, areca nut, and slaked lime. In many countries, tobacco is added, and the product is known as gutka, ghutka, or gutkha. Like other smokeless tobacco products, betel quid and gutka are known to cause: